Chart C-12C-B - Cooling Fan No High Speed Left Side Cooling Fan (4 Of 6) (3.8L "W" Body)

NOTE: Test numbers refer to test numbers on diagnostic charts.

1. Checks ignition feed at relay "D" coil.
2. Ensures circuit No. 150 is not open between relay "D" and ground.
3. Isolates malfunction to ECM, wiring or fan relay "D".

Fig 1: Chart C-12C-B Schematic (3.8L "W" Body) Cooling Fan Circuit Diagnosis (No High Speed Left Side Cooling Fan)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Chart C-12C-B Flow Chart (4 Of 6)(3.8L "W" Body) Cooling Fan Circuit Diagnosis (No High Speed Left Side Cooling Fan)

Courtesy of GENERAL MOTORS CORP.